Raw, it’s a $8.80 card. Slabbed as a PSA 10 it sells for 682× that, and PSA has only ever handed out 11 of them.
| October · 1 sale · median $6,000 · −40% vs Sep | ||||
| 22 | eBay | Pokémon TCG Hydreigon Legendary Treasures 99/113 Holo PSA 10 *low pop*! 99/113 | −40% | $6,000 |
| September · 1 sale · median $10,000 · +495% vs Jul | ||||
| 29 | eBay | Hydreigon 99/113 - Legendary Treasures Holo - Pokemon TCG PSA 10 *low pop*! 99/113 | +495% | $10,000 |
| July · 1 sale · median $1,682 · +180% vs Dec | ||||
| 16 | eBay | PSA 10 Gem Mint Pokemon Hydreigon Black & White Legendary Treasures Holo POP 11 #99 | +180% | $1,682 |
| December 2025 · 1 sale · median $600 | ||||
| 21 | eBay | PSA 10 Gem Mint Pokemon Hydreigon Black & White Legendary Treasures Holo Rare 99 #99 | — | $599.99 |